Call onConnect when a connection is made to a server, add documentation and utilities for responding to a server list ping.

README.md

@@ -9,6 +9,12 @@
 mc-protocol-lib is a simple library for communicating with a Minecraft client/server. It aims to allow people to make custom bots, clients, or servers for Minecraft easily.
 
 
+<b>How to respond to a server list ping</b>
+--------
+
+When you receive a server list ping packet when listening to a server, respond by calling connection.disconnect(Util.formatPingResponse(motd, players, maxplayers));
+
+
 <b>Chat Bot Example</b>
 --------
 

src/main/java/ch/spacebase/mcprotocol/net/Server.java

@@ -10,6 +10,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.CopyOnWriteArrayList;
 
+import ch.spacebase.mcprotocol.event.ConnectEvent;
 import ch.spacebase.mcprotocol.event.ProtocolEvent;
 import ch.spacebase.mcprotocol.event.ServerListener;
 import ch.spacebase.mcprotocol.util.Util;
@@ -90,7 +91,9 @@ public class Server {
 				try {
 					Socket client = this.sock.accept();
 					try {
-						connections.add(new ServerConnection(Server.this.protocol.getDeclaredConstructor().newInstance(), Server.this, client).connect());
+						ServerConnection conn = new ServerConnection(Server.this.protocol.getDeclaredConstructor().newInstance(), Server.this, client).connect();
+						connections.add(conn);
+						call(new ConnectEvent(conn));
 					} catch (Exception e) {
 						Util.logger().severe("Failed to create server connection!");
 						e.printStackTrace();

src/main/java/ch/spacebase/mcprotocol/standard/packet/PacketServerPing.java

@@ -11,13 +11,19 @@ import ch.spacebase.mcprotocol.packet.Packet;
 public class PacketServerPing extends Packet {
 
 	private static final byte MAGIC = 1;
+	public boolean newFormat = false;
 
 	public PacketServerPing() {
 	}
 
 	@Override
 	public void read(DataInputStream in) throws IOException {
-		in.readByte();
+		if(in.available() > 0) {
+			in.readByte();
+			this.newFormat = true;
+		} else {
+			this.newFormat = false;
+		}
 	}
 
 	@Override

src/main/java/ch/spacebase/mcprotocol/standard/packet/PacketSpawnDroppedItem.java

@@ -1,75 +0,0 @@
-package ch.spacebase.mcprotocol.standard.packet;
-
-import java.io.DataInputStream;
-import java.io.DataOutputStream;
-import java.io.IOException;
-
-import ch.spacebase.mcprotocol.net.Client;
-import ch.spacebase.mcprotocol.net.ServerConnection;
-import ch.spacebase.mcprotocol.packet.Packet;
-import ch.spacebase.mcprotocol.standard.data.ItemStack;
-
-public class PacketSpawnDroppedItem extends Packet {
-
-	public int entityId;
-	public ItemStack item;
-	public int x;
-	public int y;
-	public int z;
-	public byte yaw;
-	public byte pitch;
-	public byte roll;
-
-	public PacketSpawnDroppedItem() {
-	}
-
-	public PacketSpawnDroppedItem(int entityId, ItemStack item, int x, int y, int z, byte yaw, byte pitch, byte roll) {
-		this.entityId = entityId;
-		this.item = item;
-		this.x = x;
-		this.y = y;
-		this.z = z;
-		this.yaw = yaw;
-		this.pitch = pitch;
-		this.roll = roll;
-	}
-
-	@Override
-	public void read(DataInputStream in) throws IOException {
-		this.entityId = in.readInt();
-		this.item = new ItemStack();
-		this.item.read(in);
-		this.x = in.readInt();
-		this.y = in.readInt();
-		this.z = in.readInt();
-		this.yaw = in.readByte();
-		this.pitch = in.readByte();
-		this.roll = in.readByte();
-	}
-
-	@Override
-	public void write(DataOutputStream out) throws IOException {
-		out.writeInt(this.entityId);
-		this.item.write(out);
-		out.writeInt(this.x);
-		out.writeInt(this.y);
-		out.writeInt(this.z);
-		out.writeByte(this.yaw);
-		out.writeByte(this.pitch);
-		out.writeByte(this.roll);
-	}
-
-	@Override
-	public void handleClient(Client conn) {
-	}
-
-	@Override
-	public void handleServer(ServerConnection conn) {
-	}
-
-	@Override
-	public int getId() {
-		return 21;
-	}
-
-}

src/main/java/ch/spacebase/mcprotocol/util/Constants.java

@@ -4,6 +4,7 @@ public class Constants {
 
 	public static final int LAUNCHER_VERSION = 13;
 	public static final byte STANDARD_PROTOCOL_VERSION = 51;
+	public static final String STANDARD_MINECRAFT_VERSION = "1.4.7";
 	public static final byte CLASSIC_PROTOCOL_VERSION = 7;
 	public static final byte[] POCKET_MAGIC = new byte[] { 0, -1, -1, 0, -2, -2, -2, -2, -3, -3, -3, -3, 18, 52, 86, 120 };
 

src/main/java/ch/spacebase/mcprotocol/util/Util.java

@@ -51,5 +51,9 @@ public class Util {
 			return null;
 		}
 	}
+	
+	public static String formatPingResponse(String motd, int players, int maxplayers) {
+		return "§1\0" + Constants.STANDARD_PROTOCOL_VERSION + "\0" + Constants.STANDARD_MINECRAFT_VERSION + "\0" + motd + "\0" + players + "\0" + maxplayers;
+	}
 
 }